National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Rain

44°F

7°C

Humidity 76%
Wind Speed SE 16 G 28 mph
Barometer 30.16 in (1021.9 mb)
Dewpoint 37°F (3°C)
Visibility 8.00 mi
Wind Chill37°F (3°C)
Last update 11 Apr 6:56 am CDT
Extended Forecast for

Harrisburg SD

  • Today

    Today: Showers likely, mainly before 1pm, then a slight chance of drizzle after 4pm. Patchy fog after 2pm. Otherwise, cloudy, with a high near 58. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Showers
    Likely and
    Breezy then
    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: A slight chance of drizzle and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and midnight. Patchy fog before 9pm. Otherwise, mostly cloudy, with a temperature rising to around 59 by 11pm. Breezy, with a south southeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 55 °F⇑

    Slight Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 84. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 84 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50. West southwest wind 5 to 10 mph becoming east southeast after midnight.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. East wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 51. West southwest wind 5 to 10 mph becoming east northeast after midnight. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Showers likely, mainly before 1pm, then a slight chance of drizzle after 4pm. Patchy fog after 2pm. Otherwise, cloudy, with a high near 58. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A slight chance of drizzle and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and midnight. Patchy fog before 9pm. Otherwise, mostly cloudy, with a temperature rising to around 59 by 11pm. Breezy, with a south southeast wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 84. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 50. West southwest wind 5 to 10 mph becoming east southeast after midnight.
Monday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. East wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 51. West southwest wind 5 to 10 mph becoming east northeast after midnight. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 79.
Tuesday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 46.
Wednesday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 81.
Thursday Night
A 30 percent chance of showers. Mostly clear, with a low around 44.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 59. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg SD
 43.43°N 96.7°W (Elev. 1421 ft)
Last Update:
6:28 am CDT Apr 11, 2026
Forecast Valid:
7am CDT Apr 11, 2026-6pm CDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation